Changeset 197296 in webkit for trunk/Source/JavaScriptCore/parser/ParserModes.h

Timestamp:

Feb 28, 2016, 11:14:26 AM (9 years ago)

Author:

[email protected]

Message:

[ES6] Arrow function syntax. Emit loading&putting this/super only if they are used in arrow function. ​https://bugs.webkit.org/show_bug.cgi?id=153981

Small improvements

File:

• trunk/Source/JavaScriptCore/parser/ParserModes.h (modified) (1 diff)

trunk/Source/JavaScriptCore/parser/ParserModes.h

@@ -159 +159 @@
 const CodeFeatures ArrowFunctionFeature =        1 << 8;
 const CodeFeatures ArrowFunctionContextFeature = 1 << 9;
+const CodeFeatures SuperCallFeature =            1 << 10;
+const CodeFeatures SuperPropertyFeature =        1 << 11;
 
-const CodeFeatures AllFeatures = EvalFeature | ArgumentsFeature | WithFeature | ThisFeature | StrictModeFeature | ShadowsArgumentsFeature | ModifiedParameterFeature | ArrowFunctionFeature | ArrowFunctionContextFeature;
+const CodeFeatures AllFeatures = EvalFeature | ArgumentsFeature | WithFeature | ThisFeature | StrictModeFeature | ShadowsArgumentsFeature | ModifiedParameterFeature | ArrowFunctionFeature | ArrowFunctionContextFeature |
+    SuperCallFeature | SuperPropertyFeature;
 
+typedef uint8_t InnerArrowFunctionCodeFeatures;
+    
+const InnerArrowFunctionCodeFeatures NoInnerArrowFunctionFeatures =                0;
+const InnerArrowFunctionCodeFeatures EvalInnerArrowFunctionFeature =          1 << 0;
+const InnerArrowFunctionCodeFeatures ArgumentsInnerArrowFunctionFeature =     1 << 1;
+const InnerArrowFunctionCodeFeatures ThisInnerArrowFunctionFeature =          1 << 2;
+const InnerArrowFunctionCodeFeatures SuperCallInnerArrowFunctionFeature =     1 << 3;
+const InnerArrowFunctionCodeFeatures SuperPropertyInnerArrowFunctionFeature = 1 << 4;
+const InnerArrowFunctionCodeFeatures NewTargetInnerArrowFunctionFeature =     1 << 5;
+    
+const InnerArrowFunctionCodeFeatures AllInnerArrowFunctionCodeFeatures = EvalInnerArrowFunctionFeature | ArgumentsInnerArrowFunctionFeature | ThisInnerArrowFunctionFeature | SuperCallInnerArrowFunctionFeature | SuperPropertyInnerArrowFunctionFeature | NewTargetInnerArrowFunctionFeature;
 } // namespace JSC